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<head>
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  <title>Document</title>
  <script src="../vue.js"></script>
</head>

<body>
  <div id="app">
    <!-- <h1>{{msg}}</h1> -->
  </div>
  <script>
    const vm = new Vue({
      // el: '#app',
      data: {
        msg: 'hello vue'
      },
      // 模板书写的位置有两个,
      //1.直接在容器中书写
      //2.在vm的配置项中书写template属性 值是字符串格式
      template: `
        <h1>{{msg}}</h1>
        `
    })

    setTimeout(()=>{
      vm.$mount('#app')
    },2000)


  </script>
</body>

</html>